58bab5872162bd50abe7e19181d120a607f2b6338f3c50864d67cc12c783f9f1

Analysis

max time kernel
122s
max time network
135s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
25/12/2023, 06:20

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General

Target

0b2d285b2904ecf8a3e845a2309b2d50.dll
Size

64KB
MD5

0b2d285b2904ecf8a3e845a2309b2d50
SHA1

c85d279c31c9e1ce9263c1648a09b34d3f5e64bb
SHA256

58bab5872162bd50abe7e19181d120a607f2b6338f3c50864d67cc12c783f9f1
SHA512

6112b8aa4db622c1adb8df80251107146fbf5b173b8eca05402104e7b300b43982e3beb1fd6b1072eaabd367142cd7ce6534a3b492890d3098385b0356d3e3ac
SSDEEP

768:IBZRFIzD/mjNgXFVdl6ih18ORsWsDL6KhjWCpRI+CTnQIItL2FN9wBq+a:IPCcdiZsWmFZRIxOL2FN9ara

Score

8^/10

persistence

Malware Config

Signatures

Modifies AppInit DLL entries 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1547.001

Modify Registry
T1112
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 1 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\regfile\shell\open\command\ = "regedit.exe /s \"%1\""	rundll32.exe

Runs .reg file with regedit 1 IoCs

pid	Process
2884	regedit.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1252	rundll32.exe
1252	rundll32.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1804 wrote to memory of 1252	1804	rundll32.exe	28
PID 1804 wrote to memory of 1252	1804	rundll32.exe	28
PID 1804 wrote to memory of 1252	1804	rundll32.exe	28
PID 1804 wrote to memory of 1252	1804	rundll32.exe	28
PID 1804 wrote to memory of 1252	1804	rundll32.exe	28
PID 1804 wrote to memory of 1252	1804	rundll32.exe	28
PID 1804 wrote to memory of 1252	1804	rundll32.exe	28
PID 1252 wrote to memory of 2280	1252	rundll32.exe	29
PID 1252 wrote to memory of 2280	1252	rundll32.exe	29
PID 1252 wrote to memory of 2280	1252	rundll32.exe	29
PID 1252 wrote to memory of 2280	1252	rundll32.exe	29
PID 2280 wrote to memory of 2884	2280	cmd.exe	31
PID 2280 wrote to memory of 2884	2280	cmd.exe	31
PID 2280 wrote to memory of 2884	2280	cmd.exe	31
PID 2280 wrote to memory of 2884	2280	cmd.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0b2d285b2904ecf8a3e845a2309b2d50.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1804
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\0b2d285b2904ecf8a3e845a2309b2d50.dll,#1
  2⤵
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1252
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\a.reg
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2280
  - - C:\Windows\SysWOW64\regedit.exe
      "regedit.exe" /s "C:\Users\Admin\AppData\Local\Temp\a.reg"
      4⤵
      Runs .reg file with regedit
      PID:2884

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\a.reg

Filesize
152B

MD5
b100f5324ef74ded0b998e64d07a2e19

SHA1
40b0d7f51bf2dd8451f1b723d21355c471a5fa46

SHA256
3db613d24a75ae220891698c055e1c580a42e58564f568a0510db87581cc2042

SHA512
c12391bb37c334074f7d7e1257b6364fd5cbce848e0a8fe15b8326f54fd9568fe3baec58618c4334027a774a06a08ec249cb71db925c1f85feee6a3d3a816c04

Download Submit
memory/1252-0-0x0000000010000000-0x0000000010010000-memory.dmp

Filesize
64KB

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